Dusttale.Murder!Sans (more commonly known as Dust!Sans).Murder!Sans is typically depicted as a deranged, unstable character with symptoms of severe schizophrenia.He displays little emotion besides that of desire to kill the player and seems willing to do anything to accomplish that goal.he has an active auditory and visual hallucination of his dead brother Papyrus,of whom encourages Sans to keep down the same path he started on.he is work with nightmare. 